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Finding the Fourth Proportional to 163,153.54, 244,970.54 and 91,247.33

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Solution

The fourth proportional to 163,153.54, 244,970.54 and 91,247.33 is: 137,005.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,153.54 : 244,970.54 = 91,247.33 : x
  2. Step 2: Convert to fraction form
    163,153.54/244,970.54 = 91,247.33/x
  3. Step 3: Cross multiply
    163,153.54x = 244,970.54 × 91,247.33
  4. Step 4: Simplify right side
    163,153.54x = 22,352,907,703.66
  5. Step 5: Solve for x
    x = 22,352,907,703.66/163,153.54
  6. Step 6: Final answer
    x = 137,005.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.